Update ha_venv_container.sh

ha_venv_container.sh

@@ -137,7 +137,7 @@ else
   mkfs.ext4 $(pvesm path $ROOTFS) &>/dev/null
 fi
 ARCH=$(dpkg --print-architecture)
-HOSTNAME=ha_venv
+HOSTNAME=havenv
 TEMPLATE_STRING="local:vztmpl/${TEMPLATE}"
 pct create $CTID $TEMPLATE_STRING -arch $ARCH -features nesting=1 \
   -hostname $HOSTNAME -net0 name=eth0,bridge=vmbr0,ip=dhcp -onboot 1 \