Fix mitchellh/vagrant#3860 by making sure post-up command never returns an error code. Deleting the default route won't magically start working after waiting N seconds.
Fix mitchellh/vagrant#3860 by making sure post-up command never returns an error code. Deleting the default route won't magically start working after waiting N seconds.

Endika/vagrant,shtouff/vagrant,kamazee/vagrant,otagi/vagrant,dustymabe/vagrant,wangfakang/vagrant,stephancom/vagrant,philwrenn/vagrant,jfchevrette/vagrant,channui/vagrant,jean/vagrant,tbriggs-curse/vagrant,Avira/vagrant,Endika/vagrant,Sgoettschkes/vagrant,krig/vagrant,kalabiyau/vagrant,mpoeter/vagrant,benizi/vagrant,crashlytics/vagrant,evverx/vagrant,aaam/vagrant,shtouff/vagrant,tschortsch/vagrant,dharmab/vagrant,tknerr/vagrant,myrjola/vagrant,kamigerami/vagrant,dhoer/vagrant,tbriggs-curse/vagrant,tbarrongh/vagrant,otagi/vagrant,bryson/vagrant,senglin/vagrant,jkburges/vagrant,modulexcite/vagrant,sideci-sample/sideci-sample-vagrant,dustymabe/vagrant,mpoeter/vagrant,obnoxxx/vagrant,aneeshusa/vagrant,kamazee/vagrant,teotihuacanada/vagrant,tjanez/vagrant,philoserf/vagrant,sideci-sample/sideci-sample-vagrant,kamazee/vagrant,mkuzmin/vagrant,mitchellh/vagrant,muhanadra/vagrant,Sgoettschkes/vagrant,gpkfr/vagrant,taliesins/vagrant,BlakeMesdag/vagrant,sni/vagrant,kamigerami/vagrant,nickryand/vagrant,chrisroberts/vagrant,vamegh/vagrant,darkn3rd/vagrant,tbriggs-curse/vagrant,ianmiell/vagrant,denisbr/vagrant,dhoer/vagrant,ArloL/vagrant,jtopper/vagrant,lukebakken/vagrant,jean/vagrant,Sgoettschkes/vagrant,doy/vagrant,johntron/vagrant,bheuvel/vagrant,gpkfr/vagrant,sni/vagrant,marxarelli/vagrant,lukebakken/vagrant,bheuvel/vagrant,kamigerami/vagrant,taliesins/vagrant,lonniev/vagrant,crashlytics/vagrant,muhanadra/vagrant,jmanero/vagrant,jfchevrette/vagrant,mpoeter/vagrant,aneeshusa/vagrant,dhoer/vagrant,lonniev/vagrant,gajdaw/vagrant,crashlytics/vagrant,loren-osborn/vagrant,gbarberi/vagrant,tomfanning/vagrant,rivy/vagrant,ianmiell/vagrant,MiLk/vagrant,PatOShea/vagrant,gpkfr/vagrant,bheuvel/vagrant,justincampbell/vagrant,pwnall/vagrant,mwrock/vagrant,zsjohny/vagrant,benizi/vagrant,janek-warchol/vagrant,shtouff/vagrant,modulexcite/vagrant,BlakeMesdag/vagrant,tjanez/vagrant,bryson/vagrant,bshurts/vagrant,mkuzmin/vagrant,petems/vagrant,benh57/vagrant,PatOShea/vagrant,bdwyertech/vagrant,gitebra/vagrant,marxarelli/vagrant,legal90/vagrant,petems/vagrant,tbriggs-curse/vagrant,ianmiell/vagrant,jean/vagrant,chrisroberts/vagrant,tjanez/vagrant,invernizzi-at-google/vagrant,ferventcoder/vagrant,chrisroberts/vagrant,vamegh/vagrant,genome21/vagrant,bshurts/vagrant,lonniev/vagrant,janek-warchol/vagrant,signed8bit/vagrant,Chhunlong/vagrant,justincampbell/vagrant,johntron/vagrant,rivy/vagrant,dharmab/vagrant,gitebra/vagrant,carlosefr/vagrant,vamegh/vagrant,zsjohny/vagrant,cgvarela/vagrant,sax/vagrant,benizi/vagrant,juiceinc/vagrant,fnewberg/vagrant,stephancom/vagrant,janek-warchol/vagrant,tomfanning/vagrant,tknerr/vagrant,h4ck3rm1k3/vagrant,loren-osborn/vagrant,dustymabe/vagrant,otagi/vagrant,obnoxxx/vagrant,genome21/vagrant,ferventcoder/vagrant,invernizzi-at-google/vagrant,teotihuacanada/vagrant,myrjola/vagrant,Avira/vagrant,kalabiyau/vagrant,Chhunlong/vagrant,pwnall/vagrant,philwrenn/vagrant,PatOShea/vagrant,invernizzi-at-google/vagrant,apertoso/vagrant,senglin/vagrant,Chhunlong/vagrant,gajdaw/vagrant,Chhed13/vagrant,rivy/vagrant,ferventcoder/vagrant,jmanero/vagrant,marxarelli/vagrant,bdwyertech/vagrant,channui/vagrant,tjanez/vagrant,genome21/vagrant,tschortsch/vagrant,loren-osborn/vagrant,justincampbell/vagrant,bdwyertech/vagrant,jhoblitt/vagrant,jtopper/vagrant,theist/vagrant,jhoblitt/vagrant,dhoer/vagrant,doy/vagrant,patrys/vagrant,PatrickLang/vagrant,ArloL/vagrant,juiceinc/vagrant,muhanadra/vagrant,ferventcoder/vagrant,patrys/vagrant,jberends/vagrant,ianmiell/vagrant,legal90/vagrant,blueyed/vagrant,jkburges/vagrant,legal90/vagrant,gitebra/vagrant,Chhed13/vagrant,janek-warchol/vagrant,vamegh/vagrant,dharmab/vagrant,pwnall/vagrant,carlosefr/vagrant,lukebakken/vagrant,miguel250/vagrant,MiLk/vagrant,channui/vagrant,philwrenn/vagrant,iNecas/vagrant,theist/vagrant,chrisvire/vagrant,mkuzmin/vagrant,clinstid/vagrant,evverx/vagrant,benh57/vagrant,zsjohny/vagrant,bshurts/vagrant,lukebakken/vagrant,krig/vagrant,ArloL/vagrant,genome21/vagrant,carlosefr/vagrant,chrisvire/vagrant,Endika/vagrant,invernizzi-at-google/vagrant,rivy/vagrant,signed8bit/vagrant,stephancom/vagrant,muhanadra/vagrant,petems/vagrant,denisbr/vagrant,aaam/vagrant,tknerr/vagrant,sni/vagrant,bryson/vagrant,aaam/vagrant,theist/vagrant,taliesins/vagrant,philoserf/vagrant,cgvarela/vagrant,wangfakang/vagrant,mpoeter/vagrant,PatrickLang/vagrant,jberends/vagrant,chrisvire/vagrant,blueyed/vagrant,wkolean/vagrant,jean/vagrant,wangfakang/vagrant,pwnall/vagrant,wkolean/vagrant,myrjola/vagrant,otagi/vagrant,apertoso/vagrant,iNecas/vagrant,kamazee/vagrant,PatrickLang/vagrant,cgvarela/vagrant,wkolean/vagrant,h4ck3rm1k3/vagrant,philoserf/vagrant,juiceinc/vagrant,krig/vagrant,sideci-sample/sideci-sample-vagrant,tknerr/vagrant,aaam/vagrant,clinstid/vagrant,doy/vagrant,jberends/vagrant,blueyed/vagrant,BlakeMesdag/vagrant,darkn3rd/vagrant,nickryand/vagrant,benh57/vagrant,kalabiyau/vagrant,fnewberg/vagrant,jmanero/vagrant,jmanero/vagrant,MiLk/vagrant,TheBigBear/vagrant,gbarberi/vagrant,PatrickLang/vagrant,ArloL/vagrant,sax/vagrant,stephancom/vagrant,dharmab/vagrant,TheBigBear/vagrant,evverx/vagrant,tschortsch/vagrant,mwarren/vagrant,apertoso/vagrant,mkuzmin/vagrant,patrys/vagrant,bryson/vagrant,obnoxxx/vagrant,justincampbell/vagrant,chrisroberts/vagrant,teotihuacanada/vagrant,jhoblitt/vagrant,sni/vagrant,jkburges/vagrant,chrisvire/vagrant,tbarrongh/vagrant,tschortsch/vagrant,fnewberg/vagrant,mwrock/vagrant,h4ck3rm1k3/vagrant,mwarren/vagrant,nickryand/vagrant,fnewberg/vagrant,doy/vagrant,miguel250/vagrant,apertoso/vagrant,carlosefr/vagrant,gajdaw/vagrant,mitchellh/vagrant,jhoblitt/vagrant,jfchevrette/vagrant,krig/vagrant,darkn3rd/vagrant,wangfakang/vagrant,aneeshusa/vagrant,teotihuacanada/vagrant,lonniev/vagrant,juiceinc/vagrant,denisbr/vagrant,h4ck3rm1k3/vagrant,clinstid/vagrant,johntron/vagrant,jtopper/vagrant,TheBigBear/vagrant,modulexcite/vagrant,myrjola/vagrant,senglin/vagrant,bshurts/vagrant,Chhed13/vagrant,mitchellh/vagrant,sax/vagrant,theist/vagrant,Chhed13/vagrant,Avira/vagrant,patrys/vagrant,tomfanning/vagrant,zsjohny/vagrant,wkolean/vagrant,mwrock/vagrant,petems/vagrant,Avira/vagrant,denisbr/vagrant,kamigerami/vagrant,modulexcite/vagrant,benizi/vagrant,legal90/vagrant,gbarberi/vagrant,crashlytics/vagrant,philwrenn/vagrant,gbarberi/vagrant,nickryand/vagrant,TheBigBear/vagrant,aneeshusa/vagrant,iNecas/vagrant,jberends/vagrant,jkburges/vagrant,marxarelli/vagrant,Sgoettschkes/vagrant,senglin/vagrant,dustymabe/vagrant,blueyed/vagrant,tbarrongh/vagrant,loren-osborn/vagrant,taliesins/vagrant,mwarren/vagrant,Endika/vagrant,miguel250/vagrant,PatOShea/vagrant,Chhunlong/vagrant,tomfanning/vagrant,bdwyertech/vagrant,cgvarela/vagrant,darkn3rd/vagrant,benh57/vagrant,gitebra/vagrant,philoserf/vagrant,sax/vagrant,kalabiyau/vagrant,jfchevrette/vagrant,bheuvel/vagrant,johntron/vagrant,mwarren/vagrant,jtopper/vagrant,signed8bit/vagrant,mitchellh/vagrant,mwrock/vagrant,tbarrongh/vagrant,miguel250/vagrant,gpkfr/vagrant,signed8bit/vagrant,shtouff/vagrant