
ifconfig: utun0: 플래그=8050<POINTOPOINT,RUNNING,MULTICAST> mtu 1380 inet6 fe80::a3d5:45cd:d66b:6bd5%utun0 prefixlen 64 범위 ID 0x12 nd6 옵션=201<PERFORMNUD,DAD>
경로: fe80::a3d5:45cd:d66b:6bd5%utun0 링크#18 UHLI lo0
sudo /sbin/ifconfig utun0 delete ifconfig: ioctl (SIOCDIFADDR): 요청한 주소를 할당할 수 없습니다