Possible double free of memory chunks

## Required information

**Operating system:**
Raspberry Pi OS January 11th 2021 (32-bit)

**Compiler version:**
GCC 8.3

**Observed result or behaviour:**
```
pi@raspberrypi:~/taps $ ./iceoryx_examples/iceperf/iceperf-hardy

****** ICEORYX ********
Waiting for: subscription, subscriber [ success ]
2021-02-13 19:33:01.467 [ Error ]: ICEORYX error! POSH__MEMPOOL_POSSIBLE_DOUBLE_FREE
iceperf-hardy: /home/pi/iceoryx/iceoryx_utils/source/error_handling/error_handling.cpp:56: static void iox::ErrorHandler::ReactOnErrorLevel(iox::ErrorLevel, const char*): Assertion `false' failed.
Aborted
```

When starting the iceperf example a double free fatal error occurs.

**Expected result or behaviour:**
No double free error

**Conditions where it occurred / Performed steps:**
Run the iceperf example on a Raspberry Pi (32-bit)