host/cli: Don’t print non-existent started timestamp
host/cli: Don’t print non-existent started timestamp

Closes #488

Signed-off-by: Jonathan Rudenberg <3692bfa45759a67d83aedf0045f6cb635a966abf@titanous.com>
technosophos/flynn,clifff/flynn,josephglanville/flynn,pkdevbox/flynn,felixrieseberg/flynn,jzila/flynn,felixrieseberg/flynn,GrimDerp/flynn,ozum/flynn,schatt/flynn,felixrieseberg/flynn,Brandywine2161/flynn,shads196770/flynn,tonicbupt/flynn,philiplb/flynn,TribeMedia/flynn,pkdevbox/flynn,josephglanville/flynn,shads196770/flynn,justintung/flynn,rikur/flynn,flynn/flynn,technosophos/flynn,philiplb/flynn,benbjohnson/flynn,flynn/flynn,GrimDerp/flynn,arekkas/flynn,ozum/flynn,justintung/flynn,whouses/flynn,rikur/flynn,rikur/flynn,shads196770/flynn,supermario/flynn,schatt/flynn,josephglanville/flynn,jzila/flynn,TribeMedia/flynn,benbjohnson/flynn,ozum/flynn,flynn/flynn,GrimDerp/flynn,technosophos/flynn,tonicbupt/flynn,schatt/flynn,shads196770/flynn,mubassirhayat/flynn,jzila/flynn,Brandywine2161/flynn,jzila/flynn,rikur/flynn,mubassirhayat/flynn,lmars/flynn,pkdevbox/flynn,justintung/flynn,GrimDerp/flynn,arekkas/flynn,flynn/flynn,kgrz/flynn,arekkas/flynn,Brandywine2161/flynn,supermario/flynn,kgrz/flynn,felixrieseberg/flynn,pkdevbox/flynn,felixrieseberg/flynn,philiplb/flynn,tonicbupt/flynn,philiplb/flynn,clifff/flynn,josephglanville/flynn,clifff/flynn,mubassirhayat/flynn,rikur/flynn,clifff/flynn,kgrz/flynn,jzila/flynn,whouses/flynn,arekkas/flynn,whouses/flynn,jzila/flynn,lmars/flynn,josephglanville/flynn,josephglanville/flynn,TribeMedia/flynn,pkdevbox/flynn,tonicbupt/flynn,TribeMedia/flynn,whouses/flynn,kgrz/flynn,flynn/flynn,lmars/flynn,pkdevbox/flynn,mubassirhayat/flynn,supermario/flynn,GrimDerp/flynn,supermario/flynn,ozum/flynn,justintung/flynn,kgrz/flynn,kgrz/flynn,rikur/flynn,whouses/flynn,benbjohnson/flynn,lmars/flynn,Brandywine2161/flynn,Brandywine2161/flynn,benbjohnson/flynn,technosophos/flynn,clifff/flynn,justintung/flynn,ozum/flynn,whouses/flynn,shads196770/flynn,benbjohnson/flynn,schatt/flynn,justintung/flynn,schatt/flynn,philiplb/flynn,supermario/flynn,technosophos/flynn,GrimDerp/flynn,supermario/flynn,Brandywine2161/flynn,TribeMedia/flynn,arekkas/flynn,lmars/flynn,benbjohnson/flynn,shads196770/flynn,TribeMedia/flynn,tonicbupt/flynn,clifff/flynn,ozum/flynn,schatt/flynn