@Override public void handleRoleIO(OFVendor msg, Channel channel) { Role role = extractNiciraRoleRequest(channel, msg); try { this.roleMan.setRole(channel, role); sendRoleReply(role, msg.getXid(), channel); log.info("Finished handling role for {}", channel.getRemoteAddress()); } catch (IllegalArgumentException | UnknownRoleException ex) { log.warn(ex.getMessage()); } }