if (pathAtIndex == -1) {
//if the path is of local format, then its local and is co-located
return true;
} else if (selfAddressHostPort != null) {
// self-address and tx actor path, both are of remote path format
if (pathAtIndex == -1) {
//if the path is of local format, then its local and is co-located
return true;
} else if (selfAddressHostPort != null) {
// self-address and tx actor path, both are of remote path format