Ignore TcpStream::shutdown errors

Forcibly closing connections when they go out of scope is sufficient.
Shutdown failures should not result in crashes.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/main.rs b/src/main.rs
index 1a0a443..9f69ab3 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -238,7 +238,7 @@ fn check_connectivity(
             break;
         }
 
-        conn4.shutdown(Shutdown::Both)?;
+        conn4.shutdown(Shutdown::Both).ok();
     }
 
     let conn6 =
@@ -276,7 +276,7 @@ fn check_connectivity(
             break;
         }
 
-        conn6.shutdown(Shutdown::Both)?;
+        conn6.shutdown(Shutdown::Both).ok();
     }
 
     Ok(())