How to "remove" loXX belong to rdomain XX ?

# ifconfig vether55 rdomain 55
# ifconfig vether55                                                             
vether55: flags=8802<BROADCAST,SIMPLEX,MULTICAST> rdomain 55 mtu 1500
        lladdr fe:e1:ba:d6:a0:59
        index 23 priority 0 llprio 3
        groups: vether
        media: Ethernet autoselect
        status: active
# ifconfig vether55 destroy
# ifconfig lo55                                                                 
lo55: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> rdomain 55 mtu 32768
        index 24 priority 0 llprio 3
        groups: lo
        inet6 ::1 prefixlen 128
        inet netmask 0xff000000
        inet6 fe80::1%lo55 prefixlen 64 scopeid 0x18
# ifconfig lo55 destroy
ifconfig: SIOCIFDESTROY: Operation not permitted

>From lo(4):

     A loop interface can be created at runtime using the ifconfig loN create
     command or by setting up a hostname.if(5) configuration file for
     netstart(8).  The lo0 interface will always exist and cannot be destroyed
     using ifconfig(8).

So it will exists forever till next reboot?

kern.version=OpenBSD 6.2-current (GENERIC.MP) #0: Sat Feb 10 00:05:49 MST 2018


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