r0 = socket$inet(0x2, 0xa, 0x0)
ioctl$sock_inet_SIOCDELRT(r0, 0x890c, &(0x7f0000000f00)={0x0, {0x2, 0x0, @dev}, {0x2, 0x0, @local}, {0x2, 0x0, @dev}})