Networks the server should be connected to. Value is specified as a comma-separated list of names or UIDs without spaces. Optionally, name can be a set of alternative networks separated by a pipe (|). Examples:
A,B
Connect to 2 networks, A and B.
A|B
Connect to 1 network, A or B.
A,B|C
Connect to 2 networks, A and one of B or C.
A|B,C|D|E
Connect to 2 networks, A or B and C, D or E.
A|B,A|B
Create 2 network interfaces each connected to either A or B. There is no guarantee it will be the same.