This answers bugzilla 1848
kernel. To avoid this leave the IPoIB interfaces enslaved when unloading
ib_ipoib.
+17. On SLES 11, sysconfig scripts overide the interface mode and set it to
+ datagram on each call to ifup, ifdown, etc. To avoid this, add the line
+ IPOIB_MODE=connected
+ to the interface configuration file (e.g. ifcfg-ib0)
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4. IPoIB Configuration Based on DHCP
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