option: -r
return values: 0 and 0
option: -t
return values: 0 and 0
option: -6
return values: 0 and 0
option: -7
return values: 0 and 0
option: --random
return values: 0 and 0
option: --time
return values: 0 and 0
option: --time-v6
return values: 0 and 0
option: --time-v7
return values: 0 and 0