ouch...
epoll_ctl(3, EPOLL_CTL_ADD, 12, {EPOLLOUT, {u32=12, u64=12}}) = 0
epoll_wait(3, {{EPOLLERR|EPOLLHUP, {u32=7, u64=7}}, {EPOLLERR|EPOLLHUP, {u32=8, u64=8}}, {EPOLLERR|EPOLLHUP, {u32=9, u64=9}}, {EPOLLERR|EPOLLHUP, {u32=13, u64=13}}, {EPOLLERR|EPOLLHUP, {u32=14, u64=14}}, {EPOLLERR|EPOLLHUP, {u32=15, u64=15}}, {EPOLLERR|EPOLLHUP, {u32=16, u64=16}}, {EPOLLERR|EPOLLHUP, {u32=10, u64=10}}, {EPOLLERR|EPOLLHUP, {u32=11, u64=11}}, {EPOLLERR|EPOLLHUP, {u32=12, u64=12}}}, 1023, 50000) = 10
clock_gettime(CLOCK_MONOTONIC, {60883, 94923857}) = 0
epoll_ctl(3, EPOLL_CTL_DEL, 7, {EPOLLOUT, {u32=7, u64=7}}) = 0
write(7, "HTTP/1.1 400 Bad Request\r\nConten"..., 264) = -1 EPIPE (Broken pipe)
--- SIGPIPE (Broken pipe) @ 0 (0) ---
+++ killed by SIGPIPE +++
ouch...
epoll_ctl(3, EPOLL_CTL_ADD, 12, {EPOLLOUT, {u32=12, u64=12}}) = 0
epoll_wait(3, {{EPOLLERR|EPOLLHUP, {u32=7, u64=7}}, {EPOLLERR|EPOLLHUP, {u32=8, u64=8}}, {EPOLLERR|EPOLLHUP, {u32=9, u64=9}}, {EPOLLERR|EPOLLHUP, {u32=13, u64=13}}, {EPOLLERR|EPOLLHUP, {u32=14, u64=14}}, {EPOLLERR|EPOLLHUP, {u32=15, u64=15}}, {EPOLLERR|EPOLLHUP, {u32=16, u64=16}}, {EPOLLERR|EPOLLHUP, {u32=10, u64=10}}, {EPOLLERR|EPOLLHUP, {u32=11, u64=11}}, {EPOLLERR|EPOLLHUP, {u32=12, u64=12}}}, 1023, 50000) = 10
clock_gettime(CLOCK_MONOTONIC, {60883, 94923857}) = 0
epoll_ctl(3, EPOLL_CTL_DEL, 7, {EPOLLOUT, {u32=7, u64=7}}) = 0
write(7, "HTTP/1.1 400 Bad Request\r\nConten"..., 264) = -1 EPIPE (Broken pipe)
--- SIGPIPE (Broken pipe) @ 0 (0) ---
+++ killed by SIGPIPE +++