When logging, make sure the PID is printed as an integer.
When logging, make sure the PID is printed as an integer.

phusion/passenger,bf4/passenger,kewaunited/passenger,pkmiec/passenger,clemensg/passenger,gravitystorm/passenger,antek-drzewiecki/passenger,antek-drzewiecki/passenger,phusion/passenger,phusion/passenger,pkmiec/passenger,clemensg/passenger,bf4/passenger,erikogan/passenger,clemensg/passenger,cgvarela/passenger,jawj/passenger,clemensg/passenger,jawj/passenger,jawj/passenger,pkmiec/passenger,kewaunited/passenger,kewaunited/passenger,jawj/passenger,clemensg/passenger,openSUSE/passenger,fabiokung/passenger-debian,cgvarela/passenger,phusion/passenger,cgvarela/passenger,cgvarela/passenger,bf4/passenger,openSUSE/passenger,clemensg/passenger,kewaunited/passenger,phusion/passenger,erikogan/passenger,phusion/passenger,cgvarela/passenger,kewaunited/passenger,antek-drzewiecki/passenger,fabiokung/passenger-debian,phusion/passenger,bf4/passenger,erikogan/passenger,gravitystorm/passenger,cgvarela/passenger,antek-drzewiecki/passenger,kewaunited/passenger,fabiokung/passenger-debian,jawj/passenger,antek-drzewiecki/passenger,pkmiec/passenger,antek-drzewiecki/passenger,fabiokung/passenger-debian,clemensg/passenger,bf4/passenger,kewaunited/passenger,pkmiec/passenger,pkmiec/passenger,gravitystorm/passenger,pkmiec/passenger,openSUSE/passenger,kewaunited/passenger,antek-drzewiecki/passenger,gravitystorm/passenger,openSUSE/passenger,cgvarela/passenger,openSUSE/passenger,cgvarela/passenger,bf4/passenger,erikogan/passenger,antek-drzewiecki/passenger,openSUSE/passenger,jawj/passenger,fabiokung/passenger-debian,erikogan/passenger,clemensg/passenger,erikogan/passenger,jawj/passenger,gravitystorm/passenger,bf4/passenger,gravitystorm/passenger,phusion/passenger,fabiokung/passenger-debian