hsa: echo client crash when it fails to connect to remote
hsa: echo client crash when it fails to connect to remote

When echo client fails to connect to remote, it should quit.

Type: fix

Signed-off-by: Steven Luong <a748ea44ad7b179c2313a856d44e1e4eb39869bb@cisco.com>
Change-Id: I787423bdc61a58eea48bab7bd8b73137626c02b4

chrisy/vpp,FDio/vpp,FDio/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,chrisy/vpp,chrisy/vpp,chrisy/vpp,chrisy/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,chrisy/vpp,FDio/vpp,FDio/vpp