Don't check IFF_RUNNING in previous change.
The flag is sometimes unset if the interface has IPv6 link-local address only.
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@ -459,7 +459,7 @@ tunoutput(
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return (EHOSTDOWN);
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}
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if ((ifp->if_flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING)) {
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if ((ifp->if_flags & IFF_UP) != IFF_UP) {
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m_freem (m0);
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return (EHOSTDOWN);
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}
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@ -712,7 +712,7 @@ tunwrite(dev_t dev, struct uio *uio, int flag)
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TUNDEBUG("%s%d: tunwrite\n", ifp->if_name, ifp->if_unit);
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if ((ifp->if_flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING))
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if ((ifp->if_flags & IFF_UP) != IFF_UP)
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/* ignore silently */
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return (0);
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