Low: check_ipc.c: improve error checking during ipc stress tests
Low: check_ipc.c: improve error checking during ipc stress tests

rubenk/libqb,ClusterLabs/libqb,gao-yan/libqb,davidvossel/libqb,ClusterLabs/libqb,gao-yan/libqb,rubenk/libqb,kgaillot/libqb,ClusterLabs/libqb,kgaillot/libqb,davidvossel/libqb,kgaillot/libqb