More handled error cases

git-svn-id: file:///home/svn/framework3/trunk@5280 4d416f70-5f16-0410-b530-b9f4589650da

modules/auxiliary/scanner/discovery/sweep_udp.rb

@@ -70,7 +70,7 @@ class Auxiliary::Scanner::Discovery::SweepUDP < Msf::Auxiliary
 				begin
 					data, port = self.send(probe, ip)
 					udp_sock.sendto(data, ip, port, 0)
-				rescue ::Errno::EACCES,Errno::EHOSTUNREACH
+				rescue Errno::EACCES, Errno::EHOSTUNREACH, Errno::EHOSTDOWN, Errno::ENETDOWN, Errno::ENETUNREACH, Errno:ENETRESET
 				end
 				
 				if (idx % 30 == 0)