Why have this error
$ ./boolbd --add-priority-node 62.201.213.25:10101 --add-priority-node 95.85.21.33:10101 --add-priority-node 107.170.97.197:10101
2017-Feb-01 07:59:12.674065 Starting...
2017-Feb-01 07:59:12.677690 Boolberry v0.3.0.41(abcdeab)
2017-Feb-01 07:59:12.678378 Module folder: ./boolbd
2017-Feb-01 07:59:12.681069 Initializing p2p server...
2017-Feb-01 07:59:12.682129 Binding on 0.0.0.0:10101
2017-Feb-01 07:59:12.684123 ERROR /home/roky/build_system/boolberry/contrib/epee/include/net/abstract_tcp_server2.inl:475[bool epee::net_utils::boosted_tcp_server::init_server(uint32_t, std::string) [with t_protocol_handler = epee::levin::async_protocol_handler >; uint32_t = unsigned int; std::string = std::basic_string]]Exception at [boosted_tcp_server::init_server], what=bind: Address already in use
2017-Feb-01 07:59:12.684229 ERROR /home/roky/build_system/boolberry/src/p2p/net_node.inl:271[bool nodetool::node_server::init(const boost::program_options::variables_map&) [with t_payload_net_handler = currency::t_currency_protocol_handler]]Failed to bind server
2017-Feb-01 07:59:12.684367 ERROR /home/roky/build_system/boolberry/src/daemon/daemon.cpp:150[int main(int, char**)]Failed to initialize p2p server.
2017-Feb-01 07:59:12.684516 Mining has been stopped, 0 finished
$ ./boolbd --seed-node 95.134.54.226:10101
2017-Feb-01 08:34:22.096045 Starting...
2017-Feb-01 08:34:22.096972 Boolberry v0.3.0.41(abcdeab)
2017-Feb-01 08:34:22.097118 Module folder: ./boolbd
2017-Feb-01 08:34:22.097892 Initializing p2p server...
2017-Feb-01 08:34:22.098448 Binding on 0.0.0.0:10101
2017-Feb-01 08:34:22.098783 ERROR /home/roky/build_system/boolberry/contrib/epee/include/net/abstract_tcp_server2.inl:475[bool epee::net_utils::boosted_tcp_server::init_server(uint32_t, std::string) [with t_protocol_handler = epee::levin::async_protocol_handler >; uint32_t = unsigned int; std::string = std::basic_string]]Exception at [boosted_tcp_server::init_server], what=bind: Address already in use
2017-Feb-01 08:34:22.098908 ERROR /home/roky/build_system/boolberry/src/p2p/net_node.inl:271[bool nodetool::node_server::init(const boost::program_options::variables_map&) [with t_payload_net_handler = currency::t_currency_protocol_handler]]Failed to bind server
2017-Feb-01 08:34:22.098993 ERROR /home/roky/build_system/boolberry/src/daemon/daemon.cpp:150[int main(int, char**)]Failed to initialize p2p server.
2017-Feb-01 08:34:22.099352 Mining has been stopped, 0 finished