mochiweb_socket_server:acceptor_loop {error,closed}

Seeing a bunch of errors as following on the latest build

[error_logger:error] [2012-04-12 16:24:47] [ns_1@10.1.3.74:error_logger:ale_error_logger_handler:log_report:72]
=========================CRASH REPORT=========================
crasher:
initial call: mochiweb_socket_server:acceptor_loop/1
pid: <0.5125.3>
registered_name: []
exception exit:

in function mochiweb_socket_server:acceptor_loop/1
ancestors: [menelaus_web,menelaus_sup,ns_server_sup,
ns_server_cluster_sup,<0.60.0>]
messages: []
links: []
dictionary: []
trap_exit: false
status: running
heap_size: 377
stack_size: 24
reductions: 105
neighbours

All the logs are attached on MB-5060