disconnect proxy containers when no longer needed in a network
disconnect proxy containers when no longer needed in a network

Signed-off-by: Evan Hazlett <7e61ed261aef9abaa71fd4c2127eb6cb9f01ce10@gmail.com>

krishamoud/interlock,everett-toews/interlock,ehazlett/interlock,vixns/interlock,everett-toews/interlock,vixns/interlock,krishamoud/interlock