Travel disrupted by the old rogue (6)

I believe the answer is:

varlet

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'old rogue' is the definition.
'varlet' can be an answer for 'rogue' (synonyms). I'm not certain of the 'old' bit.

'travel disrupted' is the wordplay.
'disrupted' is an anagram indicator.
'travel' anagrammed gives 'VARLET'.

'by the' is the link.

Can you help me to learn more?

(Other definitions for varlet that I've seen before include "Aged attendant" , "Travel (anag) - rascal (archaic)" , "Travel with old rascal" , "Travel around with old rogue" .)

I've seen this clue in The Irish Independent.

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