Ignore ksync write failures due to signal interrupts.
Ignore ksync write failures due to signal interrupts.

Change-Id: Ibbcb83885dcfe3ea1581b68a3991cb779c620427
Closes-Bug: 1520084

tcpcloud/contrail-controller,sajuptpm/contrail-controller,tcpcloud/contrail-controller,sajuptpm/contrail-controller,eonpatapon/contrail-controller,eonpatapon/contrail-controller,codilime/contrail-controller,eonpatapon/contrail-controller,eonpatapon/contrail-controller,rombie/contrail-controller,rombie/contrail-controller,nischalsheth/contrail-controller,eonpatapon/contrail-controller,sajuptpm/contrail-controller,nischalsheth/contrail-controller,tcpcloud/contrail-controller,rombie/contrail-controller,nischalsheth/contrail-controller,sajuptpm/contrail-controller,tcpcloud/contrail-controller,codilime/contrail-controller,sajuptpm/contrail-controller,rombie/contrail-controller,rombie/contrail-controller,nischalsheth/contrail-controller,nischalsheth/contrail-controller,rombie/contrail-controller,eonpatapon/contrail-controller,nischalsheth/contrail-controller,nischalsheth/contrail-controller,codilime/contrail-controller,codilime/contrail-controller,tcpcloud/contrail-controller,eonpatapon/contrail-controller,sajuptpm/contrail-controller,codilime/contrail-controller,nischalsheth/contrail-controller,rombie/contrail-controller,tcpcloud/contrail-controller,codilime/contrail-controller