Do not throw pcid into background - this prevents ethernetd from exiting if it tries to open network: too early

drivers/pcid/src/main.rs

@@ -8,7 +8,6 @@ use std::env;
 use std::fs::File;
 use std::io::Read;
 use std::process::Command;
-use std::thread;
 use syscall::iopl;
 
 use config::Config;
@@ -18,7 +17,6 @@ mod config;
 mod pci;
 
 fn main() {
-    thread::spawn(|| {
     let mut config = Config::default();
 
     let mut args = env::args().skip(1);
@@ -150,5 +148,4 @@ fn main() {
             }
         }
     }
-    });
 }