docs: add 802.3ad note for bundled connections (#92)

Signed-off-by: Logan Blyth <logan@githedgehog.com>

Author: mrbojangles3

docs/user-guide/connections.md

@@ -35,7 +35,7 @@ spec:
 
 ### Bundled
 
-Bundled server connections are used to connect servers to a single switch using multiple ports (port channel, LAG).
+Bundled server connections are used to connect servers to a single switch using multiple ports (port channel, LAG). The server interfaces should be configured for 802.3ad LACP.
 
 ```yaml
 apiVersion: wiring.githedgehog.com/v1beta1