Dec  5 17:20:20 unknown installd[3886] <Error>: 2ffcf000 verify_signer_identity: Could not copy validate signature: -402620395
Dec  5 17:20:20 unknown installd[3886] <Error>: 2ffcf000 preflight_application_install: Could not verify executable at /var/tmp/install_staging.PT3xfB/foo_extracted/Payload/testImageView.app
Dec  5 17:20:20 unknown com.apple.itunesstored[1920] <Notice>: MobileInstallationInstall: failed with -1
Dec  5 17:20:20 unknown installd[3886] <Error>: 2ffcf000 install_application: Could not preflight application install
Dec  5 17:20:20 unknown installd[3886] <Error>: 2ffcf000 handle_install: API failed
Dec  5 17:20:20 unknown installd[3886] <Error>: 2ffcf000 send_message: failed to send mach message of 71 bytes: 10000003
Dec  5 17:20:20 unknown installd[3886] <Error>: 2ffcf000 send_error: Could not send error response to client