set flags to mark interface as down . concode_field_sep String FLAG_DOWN concode_elem_sep LinkAddress mAddr concode_elem_sep Creator<InterfaceConfiguration> CREATOR concode_elem_sep HashSet<String> mFlags concode_elem_sep String mHwAddr concode_elem_sep String FLAG_UP concode_field_sep void clearFlag concode_elem_sep boolean hasFlag concode_elem_sep LinkAddress getLinkAddress concode_elem_sep void setFlag concode_elem_sep InterfaceConfiguration[] newArray concode_elem_sep InterfaceConfiguration createFromParcel concode_elem_sep boolean isActive concode_elem_sep int describeContents concode_elem_sep void validateFlag concode_elem_sep void setHardwareAddress concode_elem_sep void setLinkAddress concode_elem_sep void setInterfaceUp concode_elem_sep String getHardwareAddress concode_elem_sep String toString concode_elem_sep Iterable<String> getFlags concode_elem_sep void writeToParcel
void function ( ) { mFlags . remove ( FLAG_UP ) ; mFlags . add ( FLAG_DOWN ) ; }