See https://github.com/bitcoin/bitcoin/pull/22762#issuecomment-951063826

This can be fixed by creating a new exception type and catching it in the right place.

#### Useful skills:

* C++ exceptions
* Addrman serialization
* Functional tests

#### Want to work on this issue?

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{
    AssertLockHeld(cs);
    const auto it = mapAddr.find(addr);
    if (it == mapAddr.end())
        return nullptr;
    if (pnId)
        *pnId = (*it).second;
    const auto it2 = mapInfo.find((*it).second);
    if (it2 != mapInfo.end())
        return &(*it2).second;
    return nullptr;
}
AddrInfo* AddrManImpl::Create(const CAddress& addr, const CNetAddr& addrSource, int* pnId)