[PCE_JSON] we are able to create tunnel with bandwidth as minus

ONOS
onos> tunnels
tunnelId=1, src=IpTunnelEndPoint

{ip=130.130.130.1}, dst=IpTunnelEndPoint{ip=130.130.130.5},type=MPLS, state=INACTIVE, producerName=null, tunnelName=pcc1,groupId=null, path=((DeviceId:l3::routinguniverse=0:asn=100:domainid=-1408234229:isoid=1111.1111.1111 Port:234946817 DeviceId:l3::routinguniverse=0:asn=100:domainid=-1408234229:isoid=4444.4444.4444 Port:234946818)(DeviceId:l3::routinguniverse=0:asn=100:domainid=-1408234229:isoid=4444.4444.4444 Port:755040513 DeviceId:l3::routinguniverse=0:asn=100:domainid=-1408234229:isoid=5555.5555.5555 Port:755040514)), lspSigType=WITHOUT_SIGNALLING_AND_WITHOUT_SR, delegate=true, localLspId=2, bandwidth=10.0, costType=TE_COST, pceInit=true
tunnelId=5, src=IpTunnelEndPoint{ip=130.130.130.1}

, dst=IpTunnelEndPoint

{ip=130.130.130.5},type=MPLS, state=ACTIVE, producerName=null, tunnelName=SRSR,groupId=null, path=((DeviceId:l3::routinguniverse=0:asn=100:domainid=-1408234229:isoid=1111.1111.1111 Port:234946817 DeviceId:l3::routinguniverse=0:asn=100:domainid=-1408234229:isoid=4444.4444.4444 Port:234946818)(DeviceId:l3::routinguniverse=0:asn=100:domainid=-1408234229:isoid=4444.4444.4444 Port:755040513 DeviceId:l3::routinguniverse=0:asn=100:domainid=-1408234229:isoid=5555.5555.5555 Port:755040514)), lspSigType=SR_WITHOUT_SIGNALLING, delegate=true, localLspId=2, bandwidth=-1000.0, costType=TE_COST, PccTunnelId=-32671, pceInit=true, PLspId=2
onos> pce-query-path

path-id : 1
source : IpTunnelEndPoint{ip=130.130.130.1}
destination : IpTunnelEndPoint{ip=130.130.130.5}

path-type : MPLS
symbolic-path-name : pcc1
constraints:
cost : TE_COST
bandwidth : 10.0

path-id : 5
source : IpTunnelEndPoint

{ip=130.130.130.1}

destination : IpTunnelEndPoint

{ip=130.130.130.5}

path-type : MPLS
symbolic-path-name : SRSR
constraints:
cost : TE_COST
bandwidth : -1000.0
onos> exception-display
onos>

JSON

{"path": {"source":"l3::routinguniverse=0:asn=100:domainid=-1408234229:isoid=1111.1111.1111",
"destination":"l3::routinguniverse=0:asn=100:domainid=-1408234229:isoid=5555.5555.5555",
"pathType":"1",
"name":"SRSR",
"description":"path-create",
"constraint":

{"cost":2, "bandwidth":-1000 }

}
}