message: Improve env variable logging.
diff: @@ -8,7 +8,7 @@ BASEDIR=$(readlink -f $(dirname $0))
  CHAINSPEC=$(mktemp -t chainspec_XXXXXXXX --suffix .toml)
  TRUSTED_HASH="${TRUSTED_HASH:-}"
  TIMESTAMP="${GENESIS_TIMESTAMP:-$(date '+%s000')}"
  -echo "Genesis timestamp: " $TIMESTAMP
  +echo "GENESIS_TIMESTAMP="$TIMESTAMP
  run_node() {
  ID=$1
  