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wait for iptables lock in support script

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Addresses failure to collect iptables information if lock is held during
data capture. Follows the reccomendation of iptables stderr in this
scenario:

```
Another app is currently holding the xtables lock. Perhaps you want to
use the -w option?
```

Signed-off-by: Trapier Marshall <trapier.marshall@docker.com>
This commit is contained in:
Trapier Marshall 2017-10-24 12:35:26 -04:00
parent 506a9245c7
commit 1b49b17ef5
1 changed files with 2 additions and 2 deletions
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4
libnetwork/support.sh
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@ -22,8 +22,8 @@ type -P ${BRCTL} > /dev/null || die "This tool requires brctl"
type -P ${IPTABLES} > /dev/null || die "This tool requires iptables"
echo "iptables configuration"
${IPTABLES} -n -v -L -t filter
${IPTABLES} -n -v -L -t nat
${IPTABLES} -w1 -n -v -L -t filter
${IPTABLES} -w1 -n -v -L -t nat
echo ""
echo "Overlay network configuration"