With poco 1.7.6+dfsg1-5+deb9u1:
5 0x00007f9921e48085 in __cxa_throw ()
6 0x00007f9918dfca88 in Poco::Net::IPAddress::IPAddress(void const*, unsigned int, unsigned int) () from /usr/lib/libPocoNet.so.46
7 0x00007f9918dfcf91 in Poco::Net::IPAddress::operator&(Poco::Net::IPAddress const&) const () from /usr/lib/libPocoNet.so.46
8 0x00007f991737a623 in DB::AllowedClientHosts::IPSubnet::set (this=0x7f991742afa0 <DB::(anonymous namespace)::ALL_ADDRESSES>, prefix_=..., mask_=...) at AllowedClientHosts.h:146
9 0x00007f991737a2da in DB::AllowedClientHosts::IPSubnet::IPSubnet (this=0x7f991742afa0 <DB::(anonymous namespace)::ALL_ADDRESSES>, prefix_=..., mask_=...) at AllowedClientHosts.h:24
10 0x00007f991737a0a2 in __static_initialization_and_destruction_0 (__initialize_p=1, __priority=65535) at AllowedClientHosts.cpp:25
Fixes: 2e4174a54c