LG-CISCO-ASA/pri/act#  show crypto isakmp | begin  my.gcp.vpn.ip
178 IKE Peer: my.gcp.vpn.ip
    Type    : L2L             Role    : initiator
    Rekey   : no              State   : MM_ACTIVE

LG-CISCO-ASA/pri/act#  show crypto ipsec sa peer my.gcp.vpn.ip

There are no ipsec sas for peer my.gcp.vpn.ip

...
status: NEGOTIATION_FAILURE
targetVpnGateway: https://www.googleapis.com/compute/v1/projects/amghouse-bct-sms-1/regions/us-central1/targetVpnGateways/amgh
ouse-bct-vpn1
...