lib/instana/agent.rb in instana-1.8.0 vs lib/instana/agent.rb in instana-1.8.1

@@ -44,10 +44,10 @@
       @is_linux = (RUBY_PLATFORM =~ /linux/i) ? true : false
       @is_osx = (RUBY_PLATFORM =~ /darwin/i) ? true : false
 
       # In case we're running in Docker, have the default gateway available
       # to check in case we're running in bridged network mode
-      if @is_linux
+      if @is_linux && File.exist?("/sbin/ip")
         @default_gateway = `/sbin/ip route | awk '/default/ { print $3 }'`.chomp
       else
         @default_gateway = nil
       end