Rewrite Docker's get_local_addr()
Rewrite Docker's get_local_addr()

Read the local address a socket binds to when connecting to DOCKER_HOST,
instead of relying on tools like /bin/ip.

ViDA-NYU/reprozip,ViDA-NYU/reprozip,ViDA-NYU/reprozip,ViDA-NYU/reprozip,ViDA-NYU/reprozip