socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP) = 10
[pid 12633] connect(10, {sa_family=AF_INET6, sin6_port=htons(80), inet_pton(AF_INET6, "2a02:2308:10::c:19", &sin6_addr), sin6_flowinfo=0, sin6_scope_id=0}, 28) = 0
[pid 12633] getsockname(10, {sa_family=AF_INET6, sin6_port=htons(38783), inet_pton(AF_INET6, "2001:6a0:200:375::2", &sin6_addr), sin6_flowinfo=0, sin6_scope_id=0}, [28]) = 0
[pid 12633] close(10)                   = 0
[pid 12633] socket(PF_INET6, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP) = 10
[pid 12633] connect(10, {sa_family=AF_INET6, sin6_port=htons(80), inet_pton(AF_INET6, "2a02:2308:10::", &sin6_addr), sin6_flowinfo=0, sin6_scope_id=177}, 28) = -1 EINPROGRESS (Operation now in progress)
(hangs here)