[network] Enable SNMP data collection for interface packets errors/discards (bug 12991)

data/grid5000/sites/lille/clusters/chetemi/chetemi.json

data/grid5000/sites/lille/clusters/chiclet/chiclet.json

data/grid5000/sites/lille/clusters/chifflet/chifflet.json

data/grid5000/sites/lille/clusters/chifflot/chifflot.json

...grid5000/sites/lille/network_equipments/sw-chiclet-1.json

...grid5000/sites/lille/network_equipments/sw-chiclet-2.json

...grid5000/sites/lille/network_equipments/sw-chiclet-3.json

...00/sites/luxembourg/clusters/petitprince/petitprince.json

data/grid5000/sites/luxembourg/network_equipments/gw.json

data/grid5000/sites/luxembourg/network_equipments/mxl1.json

data/grid5000/sites/luxembourg/network_equipments/mxl2.json

...sites/luxembourg/network_equipments/ul-grid5000-sw02.json

data/grid5000/sites/lyon/clusters/gemini/gemini.json

data/grid5000/sites/lyon/clusters/hercule/hercule.json

data/grid5000/sites/lyon/clusters/neowise/neowise.json

data/grid5000/sites/lyon/clusters/nova/nova.json

data/grid5000/sites/lyon/clusters/orion/orion.json

data/grid5000/sites/lyon/clusters/pyxis/pyxis.json

data/grid5000/sites/lyon/clusters/sagittaire/sagittaire.json

data/grid5000/sites/lyon/clusters/taurus/taurus.json