The kernel open call requires a path so to open a file we need to
set the current directory to the parent vnode. If the open mode is
create the path info vnode is the directory to perform the open
create in. Using the parent node creates the file in wrong path.
Updates #4723
- Wait for a slow PHY to bring the link UP. If the IP address is
static the test can start before the link is up and the test
fails.
- Make 2 tests wait. Others will need to be added.
