The bootup of the armsr target sometimes failed like this: ``` [ 0.762283] NET: Registered PF_INET6 protocol family [ 0.791987] workqueue: Failed to create a worker thread: -EAGAIN [ 0.801986] workqueue: Failed to create a rescuer kthread for wq "mld": -EAGAIN [ 0.964017] NET: Unregistered PF_INET6 protocol family ``` Increase the maximum number of threads the kernel allows. Link: https://github.com/openwrt/openwrt/pull/19376 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>