Sean M. Collins 6d4843ed96 Neutron: only do ARP_CMD if IP_BRD is not an empty string ...

Some third party CI systems leave PUBLIC_INTERFACE as the default,
but do not actually create the device. ip would set errno to 1 when
this happens[1], and that's fine - however arping would exit with errno
set to 2, which triggers the exit_trap and stops stacking.[2]

[1]: http://openstack.fit-tecnologia.org.br:10000/36/295836/6/check/hitachi-hnas-ssc/3362683/logs/devstacklog.txt.gz#_2016-05-12_17_24_40_458

[2]: http://openstack.fit-tecnologia.org.br:10000/36/295836/6/check/hitachi-hnas-ssc/3362683/logs/devstacklog.txt.gz#_2016-05-12_17_24_40_545

Change-Id: Iaf08b475eeec5e179a11a42d35fe532b2a15aa41

2016-05-19 15:52:15 +00:00

40 KiB

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