interfaceUp iface = readProcessWithExitCode_closeFds "ifconfig" [iface, "inet", "0.0.0.0", "up"] []
interfaceUp iface = readProcessWithExitCode_closeFds "ifconfig" [iface, "inet", "0.0.0.0", "up"] []
interfaceUp iface = readProcessWithExitCode_closeFds "ifconfig" [iface, "inet", "0.0.0.0", "up"] []