libnetlink: fix netlink buffer space handling
Significantly increaese buffer size in order to avoid missing events
Do not stop polling socket after running out of buffer space
Signed-off-by: Felix Fietkau <[email protected]>
brmon: continue polling the socket after an error occured
Fixes a corner case with edge-trigger epoll
Signed-off-by: Felix Fietkau <[email protected]>