r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x105142, 0x0)
mmap$IORING_OFF_SQ_RING(&(0x7f0000003000/0x2000)=nil, 0x2000, 0x0, 0x12, r0, 0x0)
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000000)={@mcast1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5000000}, 0xfd94)