ipset create acl_cdc_cert hash:net,port,net ipset add acl_cdc_cert 0.0.0.0/0,tcp:1-2,192.168.230.128/25 and kernel 6.0.12 hangs (!) Seems the problem happens only if both 0.0.0.0/0 and port range specified at the same time. Please tell me where to report. -- Segmentation fault