[nancy] talc - Fix network rate

data/grid5000/sites/nancy/clusters/talc/nodes/talc-1.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-10.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-100.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-101.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-102.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-103.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-104.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-105.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-106.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-107.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-108.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-109.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-11.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-110.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-111.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-112.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-113.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-114.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-115.json

data/grid5000/sites/nancy/clusters/talc/nodes/talc-116.json