"first record does not look like a TLS handshake" and other log spam

[moqmar]

The log file should not be spammed with TLS handshake error from ... messages unless --debug-network is set:

http: TLS handshake error from ...: TLS host not configured: ...
http: TLS handshake error from ...: tls: first record does not look like a TLS handshake
http: TLS handshake error from ...: acme/autocert: server name component count invalid
http: TLS handshake error from ...: acme/autocert: missing server name
http: TLS handshake error from ...: EOF
http: TLS handshake error from ...: read tcp ...->...: read: connection reset by peer