r0 = socket$inet6_udp(0xa, 0x2, 0x0)
r1 = fcntl$dupfd(r0, 0x0, r0)
sendmsg$inet(r1, &(0x7f0000000440)={&(0x7f0000000040)={0x2, 0x4e21, @remote}, 0x10, &(0x7f0000000300)=[{&(0x7f0000000080)='@', 0x1}], 0x1}, 0x810)