To reproduce:

* Install fresh Fedora 34 VM
* Compile Bitcoin Core and run `./test/functional/p2p_dns_seeds.py`
bpf_policy.push_back(BPF_STMT(BPF_RET + BPF_K, SECCOMP_RET_KILL_PROCESS));
            break;
        case SyscallSandboxAction::INVOKE_SIGNAL_HANDLER:
            
            
            
            
            
            
            
            bpf_policy.push_back(BPF_STMT(BPF_RET + BPF_K, SECCOMP_RET_TRAP));
            break;
        }
        return bpf_policy;
    }
};
} 
bool SetupSyscallSandbox(bool log_syscall_violation_before_terminating)