Alex Ruiz Estradera ec908516c7 Change regexp to also validate the VLAN tags
According to PUP-19 the regexp should validate regular
interface names as well as VLAN tags and fail if not defined
properly ( eg: eth0.9a will fail )

Change-Id: I41fb326e00cf2c6f87b6426dfffb72410d73ac13
2016-05-30 11:56:31 +02:00
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