Based on some experimentation I confirmed the following:
0) default gateway is disabled, proxy is accessible but is not used by snapd;
1) enable default gateway;
2) install the core snap;
3) disable default gateway;
4) proxy settings are used by snapd.
Based on some experimentation I confirmed the following:
0) default gateway is disabled, proxy is accessible but is not used by snapd;
1) enable default gateway;
2) install the core snap;
3) disable default gateway;
4) proxy settings are used by snapd.