jail create 12arm7

Use the mounted image /zroot/poudriere/jails/12arm7. Create the jail

shell> poudriere jail -c -m null -j 12arm7 -v 12.2-RELEASE -a armv7 -M /zroot/poudriere/jails/12arm7

,or update it if it already exists

shell> poudriere jail -u -m null -j 12arm7 -v 12.2-RELEASE -a armv7 -M /zroot/poudriere/jails/12arm7
1[root@build /usr/home/admin]# poudriere jail -c -m null -j 12arm7 -v 12.2-RELEASE -a armv7 -M /zroot/poudriere/jails/12arm7
2[00:00:00] Cross-building ports for armv7 on amd64 requires QEMU
3[00:00:00] Recording filesystem state for clean... done
4[00:00:00] Jail 12arm7 12.2-RELEASE armv7 is ready to be used