diff options
Diffstat (limited to 'node/EthernetTap.cpp')
| -rw-r--r-- | node/EthernetTap.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/node/EthernetTap.cpp b/node/EthernetTap.cpp index 870baceb..b2682006 100644 --- a/node/EthernetTap.cpp +++ b/node/EthernetTap.cpp @@ -114,7 +114,7 @@ EthernetTap::EthernetTap( _fd = ::open("/dev/net/tun",O_RDWR); if (_fd <= 0) - throw std::runtime_error("could not open TUN/TAP device"); + throw std::runtime_error(std::string("could not open TUN/TAP device: ") + strerror(errno)); struct ifreq ifr; memset(&ifr,0,sizeof(ifr)); |