discovery: Prevent that SetListener gets called twice or after a tablet was added.
discovery: Prevent that SetListener gets called twice or after a tablet was added.
tirsen/vitess,dcadevil/vitess,erzel/vitess,HubSpot/vitess,sougou/vitess,tirsen/vitess,mahak/vitess,tinyspeck/vitess,alainjobart/vitess,dcadevil/vitess,sougou/vitess,mapbased/vitess,mapbased/vitess,enisoc/vitess,dumbunny/vitess,mapbased/vitess,HubSpot/vitess,dumbunny/vitess,tirsen/vitess,dumbunny/vitess,tinyspeck/vitess,rnavarro/vitess,applift/vitess,vitessio/vitess,dcadevil/vitess,mahak/vitess,mattharden/vitess,tinyspeck/vitess,pivanof/vitess,sougou/vitess,dumbunny/vitess,tirsen/vitess,mapbased/vitess,alainjobart/vitess,davygeek/vitess,mattharden/vitess,tirsen/vitess,HubSpot/vitess,applift/vitess,mattharden/vitess,enisoc/vitess,mapbased/vitess,erzel/vitess,mapbased/vitess,tirsen/vitess,pivanof/vitess,enisoc/vitess,tirsen/vitess,HubSpot/vitess,sougou/vitess,dumbunny/vitess,erzel/vitess,davygeek/vitess,HubSpot/vitess,rnavarro/vitess,mattharden/vitess,dumbunny/vitess,rnavarro/vitess,sougou/vitess,mahak/vitess,pivanof/vitess,pivanof/vitess,davygeek/vitess,mapbased/vitess,applift/vitess,rnavarro/vitess,mahak/vitess,tinyspeck/vitess,tinyspeck/vitess,sougou/vitess,applift/vitess,erzel/vitess,pivanof/vitess,erzel/vitess,enisoc/vitess,dumbunny/vitess,mattharden/vitess,dcadevil/vitess,mahak/vitess,mahak/vitess,davygeek/vitess,dumbunny/vitess,davygeek/vitess,applift/vitess,mapbased/vitess,vitessio/vitess,davygeek/vitess,vitessio/vitess,mahak/vitess,mattharden/vitess,alainjobart/vitess,alainjobart/vitess,rnavarro/vitess,dumbunny/vitess,HubSpot/vitess,enisoc/vitess,erzel/vitess,alainjobart/vitess,applift/vitess,rnavarro/vitess,tirsen/vitess,tirsen/vitess,mapbased/vitess,mapbased/vitess,tinyspeck/vitess,applift/vitess,mattharden/vitess,sougou/vitess,applift/vitess,pivanof/vitess,pivanof/vitess,rnavarro/vitess,mattharden/vitess,davygeek/vitess,erzel/vitess,alainjobart/vitess,HubSpot/vitess,erzel/vitess,dcadevil/vitess,mattharden/vitess,vitessio/vitess,enisoc/vitess,tinyspeck/vitess,vitessio/vitess,rnavarro/vitess,enisoc/vitess,dcadevil/vitess,mahak/vitess,erzel/vitess,alainjobart/vitess,sougou/vitess,pivanof/vitess,erzel/vitess,pivanof/vitess,mattharden/vitess,dcadevil/vitess,applift/vitess,rnavarro/vitess,dumbunny/vitess,vitessio/vitess,vitessio/vitess,HubSpot/vitess,applift/vitess,alainjobart/vitess,vitessio/vitess