Sends mtu discovery padding, depending on config.
Sends mtu discovery padding, depending on config.

FossilOrigin-Name: ee4c1221acf6438819228da91d3ebdac7bd516a5d9e3a59c8b0711e4d897011a
7u83/actube,7u83/actube,7u83/actube,7u83/actube,7u83/actube