psql -f t.sql 
DROP TABLE
psql:t.sql:2: NOTICE:  drop cascades to 4 other objects
DETAIL:  drop cascades to server lb1
drop cascades to user mapping for public on server lb1
drop cascades to server lb2
drop cascades to user mapping for public on server lb2
DROP EXTENSION
CREATE EXTENSION
CREATE SERVER
CREATE SERVER
CREATE USER MAPPING
CREATE USER MAPPING
CREATE TABLE
CREATE TABLE
CREATE TABLE
CREATE FOREIGN TABLE
CREATE FOREIGN TABLE
INSERT 0 10
ANALYZE
psql:t.sql:26: ERROR:  InstrEndLoop called on running node