.BI "TUN " ifname " " tun-name " read-error " ecode " " message
Reading from the tunnel device failed.
.SP
+.BI "TUN " ifname " " tun-name " write-error " ecode " " message
+Writing from the tunnel device failed.
+.SP
.BI "TUN " ifname " slip bad-escape"
The SLIP driver encountered a escaped byte it wasn't expecting to see.
The erroneous packet will be ignored.