r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @empty}, 0x1c)
sendmsg$inet6(r0, &(0x7f00000002c0)={&(0x7f0000000000)={0xa, 0x4e24, 0x0, @loopback}, 0x1c, 0x0}, 0x10)