r0 = socket$inet6_udp(0xa, 0x2, 0x0)
setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x41, &(0x7f0000001a00)=0x4082, 0x4)
setsockopt$inet6_group_source_req(r0, 0x29, 0x5, &(0x7f00000000c0)={0x1000, {{0xa, 0x0, 0x0, @loopback}}, {{0xa, 0x0, 0x0, @private2}}}, 0x108)
sendto$inet6(r0, 0x0, 0x0, 0x0, &(0x7f0000000080)={0xa, 0x4e20, 0x0, @loopback}, 0x1c)
recvfrom(r0, 0x0, 0x0, 0x73f4ad3f919ba9ee, 0x0, 0x0)