r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
bind$inet6(r0, &(0x7f0000000140)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @empty}}, 0x1c)
connect$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @empty}, 0x1c)
sendmsg$inet6(r0, &(0x7f0000001a40)={&(0x7f0000000480)={0xa, 0x0, 0x0, @private0}, 0x1c, &(0x7f00000017c0)=[{&(0x7f0000001e00)='h', 0x1}, {0x0}], 0x2, &(0x7f0000001840)}, 0x4000010)