Game mode Login event called before GameMode BeginPlay

Code / blueprint script for game mode login functions executes before the game mode begin play function.

1. Open UE4Editor (any project)
2. Create a new blueprint based on Game Mode (NewGameModeBP)
3. Add Event BeginPlay and Even OnPostLogin nodes
4. Wire each node into a print string node
5. Change text of BeginPlay print to "Print on Begin Play"
6. Change text of OnPostLogin print to "Print on Login"
7. Compile and save Blueprint
8. Open World Settings and set GameMode Override to NewGameModeBP
9. PIE

Result:
"Print on Login" is printed to the screen before "Print on Begin Play"

Expected:
Begin Play triggers first, printing its message first

GameMode: local player controller Login/PostLogin called before BeginPlay?