Checks if the network is available. "Available" here means that the
system has a default route available for at least one of IPv4 or
IPv6. It does not necessarily imply that the public Internet is
reachable. See #GNetworkMonitor:network-available for more details.
Checks if the network is available. "Available" here means that the system has a default route available for at least one of IPv4 or IPv6. It does not necessarily imply that the public Internet is reachable. See #GNetworkMonitor:network-available for more details.
Return: whether the network is available