Comment # 6 on bug 1064380 from Dominique Leuenberger

2017-10-20 02:40:17 <1> susetest(7222) [zypp++]
ExternalProgram.cc(start_program):249 Executing '/usr/bin/gpg2' '--delete-keys'
'--homedir' '/var/tmp/zypp.OxDmFE/zypp-trusted-krH7gSR5' '--no-default-keyring'
'--yes' '--quiet' '--no-tty' '--batch' '--status-fd' '1' 'EA649FE2969A1C06'
2017-10-20 02:40:17 <1> susetest(7222) [zypp++]
ExternalProgram.cc(start_program):412 pid 7260 launched
2017-10-20 02:40:17 <1> susetest(7222) [zypp++]
ExternalProgram.cc(checkStatus):506 Pid 7260 exited with status 2
2017-10-20 02:40:17 <5> susetest(7222) [zypp] Exception.cc(log):166
KeyRing.cc(deleteKey):564 THROW:    Failed to delete key.