controller: Ignore ErrNotFound When expand formation
controller: Ignore ErrNotFound When expand formation

Signed-off-by: Wang Baoling <6a1a6a1ddc695c337306019b1226558410aa4aeb@gmail.com>

kgrz/flynn,josephglanville/flynn,supermario/flynn,schatt/flynn,kgrz/flynn,flynn/flynn,Brandywine2161/flynn,TribeMedia/flynn,schatt/flynn,ozum/flynn,GrimDerp/flynn,Brandywine2161/flynn,tonicbupt/flynn,jzila/flynn,whouses/flynn,arekkas/flynn,felixrieseberg/flynn,philiplb/flynn,whouses/flynn,TribeMedia/flynn,schatt/flynn,lmars/flynn,josephglanville/flynn,josephglanville/flynn,justintung/flynn,pkdevbox/flynn,ozum/flynn,justintung/flynn,whouses/flynn,pkdevbox/flynn,lmars/flynn,josephglanville/flynn,josephglanville/flynn,rikur/flynn,GrimDerp/flynn,whouses/flynn,supermario/flynn,benbjohnson/flynn,benbjohnson/flynn,technosophos/flynn,shads196770/flynn,mubassirhayat/flynn,shads196770/flynn,schatt/flynn,jzila/flynn,GrimDerp/flynn,rikur/flynn,flynn/flynn,technosophos/flynn,GrimDerp/flynn,tonicbupt/flynn,flynn/flynn,justintung/flynn,ozum/flynn,pkdevbox/flynn,kgrz/flynn,ozum/flynn,philiplb/flynn,technosophos/flynn,justintung/flynn,flynn/flynn,GrimDerp/flynn,pkdevbox/flynn,schatt/flynn,tonicbupt/flynn,justintung/flynn,rikur/flynn,Brandywine2161/flynn,clifff/flynn,ozum/flynn,arekkas/flynn,arekkas/flynn,TribeMedia/flynn,supermario/flynn,felixrieseberg/flynn,technosophos/flynn,mubassirhayat/flynn,clifff/flynn,jzila/flynn,kgrz/flynn,rikur/flynn,benbjohnson/flynn,shutej/flynn,shads196770/flynn,supermario/flynn,supermario/flynn,clifff/flynn,Brandywine2161/flynn,pkdevbox/flynn,supermario/flynn,kgrz/flynn,Brandywine2161/flynn,benbjohnson/flynn,shads196770/flynn,felixrieseberg/flynn,schatt/flynn,lmars/flynn,clifff/flynn,benbjohnson/flynn,rikur/flynn,philiplb/flynn,TribeMedia/flynn,whouses/flynn,ozum/flynn,technosophos/flynn,whouses/flynn,lmars/flynn,philiplb/flynn,shads196770/flynn,TribeMedia/flynn,Brandywine2161/flynn,philiplb/flynn,pkdevbox/flynn,tonicbupt/flynn,josephglanville/flynn,shads196770/flynn,felixrieseberg/flynn,lmars/flynn,benbjohnson/flynn,flynn/flynn,jzila/flynn,clifff/flynn,rikur/flynn,mubassirhayat/flynn,justintung/flynn,jzila/flynn,mubassirhayat/flynn,jzila/flynn,kgrz/flynn,arekkas/flynn,clifff/flynn,TribeMedia/flynn,felixrieseberg/flynn,arekkas/flynn,GrimDerp/flynn,tonicbupt/flynn