diff --git a/src/ifaddrs.rs b/src/ifaddrs.rs
index 2b3024b54a..61d36ff4cd 100644
--- a/src/ifaddrs.rs
+++ b/src/ifaddrs.rs
@@ -4,7 +4,6 @@
 //! of interfaces and their associated addresses.
 
 use std::ffi;
-use std::fmt;
 use std::iter::Iterator;
 use std::mem;
 use std::option::Option;
@@ -16,7 +15,7 @@ use sys::socket::SockAddr;
 use net::if_::*;
 
 /// Describes a single address for an interface as returned by `getifaddrs`.
-#[derive(Clone, Eq, Hash, PartialEq)]
+#[derive(Clone, Eq, Hash, PartialEq, Debug)]
 pub struct InterfaceAddress {
     /// Name of the network interface
     pub interface_name: String,
@@ -32,12 +31,6 @@ pub struct InterfaceAddress {
     pub destination: Option<SockAddr>,
 }
 
-impl fmt::Debug for InterfaceAddress {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        write!(f, "InterfaceAddress ({:?})", self.interface_name)
-    }
-}
-
 cfg_if! {
     if #[cfg(any(target_os = "emscripten", target_os = "fuchsia", target_os = "linux"))] {
         fn get_ifu_from_sockaddr(info: &libc::ifaddrs) -> *const libc::sockaddr {
diff --git a/src/sys/socket/addr.rs b/src/sys/socket/addr.rs
index dd2ae17d32..445fb9ef5c 100644
--- a/src/sys/socket/addr.rs
+++ b/src/sys/socket/addr.rs
@@ -357,6 +357,12 @@ impl fmt::Display for InetAddr {
     }
 }
 
+impl fmt::Debug for InetAddr {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        fmt::Display::fmt(self, f)
+    }
+}
+
 /*
  *
  * ===== IpAddr =====
@@ -409,6 +415,12 @@ impl fmt::Display for IpAddr {
     }
 }
 
+impl fmt::Debug for IpAddr {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        fmt::Display::fmt(self, f)
+    }
+}
+
 /*
  *
  * ===== Ipv4Addr =====
@@ -470,6 +482,12 @@ impl fmt::Display for Ipv4Addr {
     }
 }
 
+impl fmt::Debug for Ipv4Addr {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        fmt::Display::fmt(self, f)
+    }
+}
+
 /*
  *
  * ===== Ipv6Addr =====
@@ -524,6 +542,12 @@ impl fmt::Display for Ipv6Addr {
     }
 }
 
+impl fmt::Debug for Ipv6Addr {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        fmt::Display::fmt(self, f)
+    }
+}
+
 /*
  *
  * ===== UnixAddr =====
@@ -658,6 +682,12 @@ impl fmt::Display for UnixAddr {
     }
 }
 
+impl fmt::Debug for UnixAddr {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        fmt::Display::fmt(self, f)
+    }
+}
+
 /*
  *
  * ===== Sock addr =====
@@ -850,6 +880,12 @@ pub mod netlink {
             write!(f, "pid: {} groups: {}", self.pid(), self.groups())
         }
     }
+
+    impl fmt::Debug for NetlinkAddr {
+        fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+            fmt::Display::fmt(self, f)
+        }
+    }
 }
 
 #[cfg(any(target_os = "ios", target_os = "macos"))]
@@ -948,4 +984,10 @@ pub mod sys_control {
             write!(f, "id: {} unit: {}", self.id(), self.unit())
         }
     }
+
+    impl fmt::Debug for SysControlAddr {
+        fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+            fmt::Display::fmt(self, f)
+        }
+    }
 }