storage: log an error on failure to gossip first range
storage: log an error on failure to gossip first range

Addresses a code review comment on #7823.

vaibhavarora/cockroach,vivekmenezes/cockroach,petermattis/cockroach,sunya123/cockroach,arjun4084346/cockroach,sunya123/cockroach,paperstreet/cockroach,veteranlu/cockroach,cockroachdb/cockroach,paperstreet/cockroach,cockroachdb/cockroach,paperstreet/cockroach,paperstreet/cockroach,petermattis/cockroach,glycerine/cockroach,glycerine/cockroach,vaibhavarora/cockroach,cockroachdb/cockroach,maxlang/cockroach,petermattis/cockroach,veteranlu/cockroach,petermattis/cockroach,cockroachdb/cockroach,arjun4084346/cockroach,maxlang/cockroach,sunya123/cockroach,sunya123/cockroach,cockroachdb/cockroach,cockroachdb/cockroach,arjun4084346/cockroach,arjun4084346/cockroach,vivekmenezes/cockroach,vivekmenezes/cockroach,petermattis/cockroach,vaibhavarora/cockroach,veteranlu/cockroach,sunya123/cockroach,veteranlu/cockroach,vivekmenezes/cockroach,glycerine/cockroach,cockroachdb/cockroach,paperstreet/cockroach,vivekmenezes/cockroach,maxlang/cockroach,sunya123/cockroach,paperstreet/cockroach,maxlang/cockroach,vaibhavarora/cockroach,glycerine/cockroach,maxlang/cockroach,veteranlu/cockroach,petermattis/cockroach,arjun4084346/cockroach,maxlang/cockroach,arjun4084346/cockroach,vaibhavarora/cockroach,veteranlu/cockroach,paperstreet/cockroach,vaibhavarora/cockroach,sunya123/cockroach,glycerine/cockroach,maxlang/cockroach,glycerine/cockroach,vivekmenezes/cockroach,sunya123/cockroach,vaibhavarora/cockroach,vivekmenezes/cockroach,cockroachdb/cockroach,arjun4084346/cockroach,arjun4084346/cockroach,glycerine/cockroach,maxlang/cockroach,vivekmenezes/cockroach,paperstreet/cockroach,petermattis/cockroach,petermattis/cockroach,vaibhavarora/cockroach,veteranlu/cockroach,veteranlu/cockroach,glycerine/cockroach