has 1/4 users at
[ 7225.130946][   T10]      ipv6_add_dev+0x3ba/0x11c0
[ 7225.130946][   T10]      ipv6_find_idev+0x102/0x170
[ 7225.130946][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7225.130946][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7225.130946][   T10]      netlink_rcv_skb+0x130/0x360
[ 7225.130946][   T10]      netlink_unicast+0x449/0x710
[ 7225.130946][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7225.130946][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7225.130946][   T10]      ___sys_sendmsg+0xee/0x170
[ 7225.130946][   T10]      __sys_sendmsg+0xcd/0x170
[ 7225.130946][   T10]      do_syscall_64+0xc6/0x1e0
[ 7225.130946][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7225.130946][   T10] 
[ 7225.132602][   T10] ref_tracker: lo@ffff888007f7c5e0 has 1/4 users at
[ 7225.132602][   T10]      neigh_parms_alloc+0x1e5/0x510
[ 7225.132602][   T10]      ipv6_add_dev+0x2fe/0x11c0
[ 7225.132602][   T10]      ipv6_find_idev+0x102/0x170
[ 7225.132602][   T10]      inet6_rtm_newaddr+0x37c/0x6b0
[ 7225.132602][   T10]      rtnetlink_rcv_msg+0x2fb/0xbf0
[ 7225.132602][   T10]      netlink_rcv_skb+0x130/0x360
[ 7225.132602][   T10]      netlink_unicast+0x449/0x710
[ 7225.132602][   T10]      netlink_sendmsg+0x723/0xbe0
[ 7225.132602][   T10]      ____sys_sendmsg+0x7b2/0xa10
[ 7225.132602][   T10]      ___sys_sendmsg+0xee/0x170
[ 7225.132602][   T10]      __sys_sendmsg+0xcd/0x170
[ 7225.132602][   T10]      do_syscall_64+0xc6/0x1e0
[ 7225.132602][   T10]      entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 7225.132602][   T10] 
[ 7225.853771][ T7628] ACPI: PM: Preparing to enter system sleep state S5
[ 7225.855353][ T7628] kvm: exiting hardware virtualization
[ 7225.855684][ T7628] reboot: Power down