undefined-behavior in ot::RouterTable::IsAllocated(unsigned

undefined-behavior in ot::RouterTable::IsAllocated(unsigned: a task in MiMo-V2.6-RL-harbor-cyber: MiMo-V2.6-RL Cyber (Harbor) (Harbor dataset). UndefinedBehaviorSanitizer: undefined-behavior in function ot::RouterTable::IsAllocated(unsigned char) const in file openthread/src/core/thread/router…