Fix setup module explosion when a route is empty. Closes #909
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setup
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setup
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@ -473,7 +473,7 @@ class LinuxNetwork(Network):
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continue
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words = output.split('\n')[0].split()
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# A valid output starts with the queried address on the first line
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if words[0] == command[v][-1]:
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if len(words) > 0 and words[0] == command[v][-1]:
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for i in range(len(words) - 1):
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if words[i] == 'dev':
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interface[v]['interface'] = words[i+1]
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