virt-manager and virsh say network is not active

$ virsh start ece-install-tester
error: Failed to start domain 'ece-install-tester'
error: Requested operation is not valid: network 'default' is not active
# virsh net-autostart --network default
Network default marked as autostarted
# virsh net-start default
Network default started
# virsh net-list --all
 Name      State    Autostart   Persistent
 default   active   yes         yes

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