r0 = socket$inet6_udp(0xa, 0x2, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f00000000c0)='./cgroup/syz1\x00', 0x1ff)
setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x49, &(0x7f0000000080)=0x68bbd9b0592ebacf, 0x4)