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f2ae8467e3
A network is added to the `d.networks` map before it's fully initialized. That
is, it's possible for a network in `d.networks` to exist without having
`bridgeIPv4` populated yet. If multiple networks are spun up close to the same
time, a panic can occur.
Example:
```
panic(0x1a75d20, 0xc82000e090)
/usr/local/go/src/runtime/panic.go:443 +0x4e9
net.networkNumberAndMask(0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
/usr/local/go/src/net/ip.go:433 +0x42
net.(*IPNet).Contains(0x0, 0xc82084dbd0, 0x4, 0x4, 0xc820010200)
/usr/local/go/src/net/ip.go:457 +0x25
github.com/docker/libnetwork/drivers/bridge.(*networkConfiguration).conflictsWithNetworks(0xc822249360, 0xc822761380, 0x40, 0xc820866a60, 0x4, 0x4, 0x0, 0x0)
/root/rpmbuild/BUILD/docker-engine/vendor/src/github.com/docker/libnetwork/drivers/bridge/bridge.go:334 +0x40b
```
Signed-off-by: Andy Lindeman <alindeman@salesforce.com>
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| .. | ||
| bridge | ||
| host | ||
| ipvlan | ||
| macvlan | ||
| null | ||
| overlay | ||
| remote | ||
| windows | ||