r0 = openat$sr(0xffffffffffffff9c, &(0x7f00000035c0), 0xe8b02, 0x0)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r1, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast2, 0x5}, 0x1c)
sendmmsg$inet6(r1, &(0x7f0000004d00)=[{{0x0, 0x0, &(0x7f00000004c0)=[{&(0x7f0000000080)='K', 0x1}], 0x1}}], 0x7ffff000, 0x0)
mmap(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x2000003, 0x1f012, r0, 0x0)