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#!/bin/bash
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INTERFACE=$1 # The interface which is brought up or down
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STATUS=$2 # The new state of the interface
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# whenever interface is brought up by NM (rhbz #565921)
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if [ "$STATUS" = "up" ]; then
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    # restart the services
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    # In case this dispatcher script is called several times in a short period of time, it might happen that
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    # systemd refuses to further restart the units. Therefore we use reset-failed command to prevent it.
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    systemctl -q is-enabled dhcpd.service && systemctl restart dhcpd.service && systemctl reset-failed dhcpd.service
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    systemctl -q is-enabled dhcpd6.service && systemctl restart dhcpd6.service && systemctl reset-failed dhcpd6.service
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fi
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exit 0