diff --git a/helpers/node-mark-offline b/helpers/node-mark-offline
index 568ccc4..ef9b1b9 100644
--- a/helpers/node-mark-offline
+++ b/helpers/node-mark-offline
@@ -63,7 +63,7 @@ elif [[ "$NHC_RM" == "slurm" ]]; then
     OLD_NOTE_LEADER="${LINE[1]}"
     OLD_NOTE="${LINE[*]:2}"
     case "$STATUS" in
-        *'@'*|*'#'*|boot*)
+        *'@'*|*'#'*|boot*|*-*|plnd*)
             # These states aren't handled yet.
             echo "$0:  State \"$STATUS\" not yet handled; ignoring."
             exit 0
diff --git a/helpers/node-mark-online b/helpers/node-mark-online
index 407a136..4af85ad 100644
--- a/helpers/node-mark-online
+++ b/helpers/node-mark-online
@@ -60,7 +60,7 @@ elif [[ "$NHC_RM" == "slurm" ]]; then
     # Slurm does not run the HealthCheckProgram on nodes in the DOWN state,
     # but if someone runs NHC by hand, we want to be able to do the right thing.
     case "$STATUS" in
-        *'@'*|*'#'*|boot*)
+        *'@'*|*'#'*|boot*|*-*|plnd*)
             # These states aren't handled yet.
             echo "$0:  State \"$STATUS\" not yet handled; ignoring."
             exit 0
diff --git a/lbnl-nhc.spec.in b/lbnl-nhc.spec.in
index c65cf31..6844acb 100644
--- a/lbnl-nhc.spec.in
+++ b/lbnl-nhc.spec.in
@@ -1,12 +1,39 @@
 %global name    @PACKAGE@
 %global version @VERSION@
-%global release %{rel}%{?dist}.bx.4
+%global release %{rel}%{?dist}.bx.1
 
+### Macros to populate RPM %{RELEASE} field with useful info
+# {gitrelease} holds the ./configure-generated version of the same
+# info that's calculated for {spec_rel} below.  This allows us to
+# build out-of-tree with the same Git info.
 %global gitrelease @GITRELEASE@
-%{expand:%%global gd_rel_delta %(git describe --abbrev=4 --always --tags --long --match '[[:digit:]][[:alnum:].]*[[:alnum:]]' --dirty=.1 | cut -d- -f 2- | tr '-' '.')}
-%{expand:%%global rel_pre_post %(git describe --tags HEAD | grep -Eq '^%{version}' >&/dev/null && echo 1. || echo 0.)}
-%{expand:%%global spec_rel %{rel_pre_post}%{gd_rel_delta}}
-%{!?rel:%{expand:%%global rel %(if test -z "%{spec_rel}" ; then echo "%{gitrelease}" ; else echo "%{spec_rel}" ; fi)}}
+# {gd_rel_delta} uses "git describe" to return a string in the form
+# "<commits>.g<hash>[.1]?" to be used in {spec_rel} below.
+%{expand:%%global gd_rel_delta %(GD1=`git describe --abbrev=4 --always --tags --long --match '[[:digit:]][[:alnum:].]*[[:alnum:]]' --dirty=.1 2>/dev/null` ; test -n "${GD1}" && echo "${GD1}" | cut -d- -f 2- | tr '-' '.')%%{nil}}
+# {rel_pre_post} gets set to either "1." or "0." based on whether the
+# source was built from a commit before ("0.") or after ("1.") the
+# tagged release specified by {version} above.
+%{expand:%%global rel_pre_post %(GD2=`git describe --tags HEAD 2>/dev/null` ; if test -n "${GD2}" ; then echo "${GD2}" | grep -Eq '^%{version}' >&/dev/null && echo 1. || echo 0. ; fi)%%{nil}}
+# {spec_rel} combines the two values above into a single string for
+# use in the "Release:" field.  The resulting string, when used at the
+# beginning of the "Release:" header value, not only guarantees
+# correct RPM NEVR ordering (i.e., newer packages will always upgrade
+# older ones) but also shows how many <commits> were made since the
+# last tagged release, the Git commit <hash> from which the source
+# tarball ("Source:" below) was built, and whether the tarball also
+# contains some uncommitted changes from a "dirty" working tree (".1"
+# on the end).
+%{expand:%%global spec_rel %{?rel_pre_post}%{?gd_rel_delta}%%{nil}}
+# {rel} ultimately determines what the release string will be; only
+# the disttag gets appended to it.  If the user specifies their own
+# value (e.g., "rpmbuild --define 'rel 1'"), that value is used
+# instead.  If not, the string described above is pulled either from
+# {spec_rel} (if building from Git repo) or {gitrelease} (if building
+# from SRPM or source tarball).
+# As a special case, if the commit being built exactly matches the Git
+# tag for the specified version, {rel} is set to either "1" (clean
+# working directory) or "1.1" (dirty working directory).
+%{!?rel:%{expand:%%global rel %(REL="%{?spec_rel}%{!?spec_rel:%{gitrelease}}" ; if (echo "${REL:-nope}" | grep -Fq "1.0.g" 2>/dev/null) ; then if (echo "${REL:-nope}" | grep -q '\.1$' 2>/dev/null) ; then echo "1.1" ; else echo 1 ; fi ; elif test -z "%{spec_rel}" ; then echo "%{gitrelease}" ; else echo "%{spec_rel}" ; fi)%{nil}}}
 
 %{!?sname:%global sname nhc}
 %{!?nhc_script_dir:%global nhc_script_dir %{_sysconfdir}/%{sname}/scripts}
diff --git a/nhc.conf b/nhc.conf
index 7bddfa1..948ffae 100644
--- a/nhc.conf
+++ b/nhc.conf
@@ -78,6 +78,7 @@
 
 # Check that there's an ib interface with the correvt speed
 * || if [ ! -z ${NHC_IB_DEV+x} ]; then check_hw_eth $NHC_IB_DEV; fi
+* || if [ ! -z ${NHC_IB_SPEED+x} ]; then check_hw_ib $NHC_IB_SPEED; fi
 
 
 #######################################################################