Adjust output of ping in example attack since the version of ping on Travis CI returns slightly different output
Adjust output of ping in example attack since the version of ping on Travis CI returns slightly different output

gauntlt/gauntlt,Joeyn414/gauntlt,Joeyn414/gauntlt,iallison/gauntlt,Pratibha25/gauntlt,Pratibha25/gauntlt,iallison/gauntlt,gauntlt/gauntlt