Changes

# Waiting for socket to get closed by CRIU is good way to wait for checkpoint to complete. In this case CRIU should close the socket after freeze, but before dump to properly dump the half-closed connection in the program.

# Waiting for socket to get closed by CRIU is good way to wait for checkpoint to complete. In this case CRIU should close the socket after freeze, but before dump to properly dump the half-closed connection in the program.

# What if applications runs another one and asks to dump itself with kids? In this case the app in question would be able to investigate its sub-task's guts, which would otherwise be impossible.

# What if applications runs another one and asks to dump itself with kids? In this case the app in question would be able to investigate its sub-task's guts, which would otherwise be impossible.