r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_int(r0, 0x29, 0x8, &(0x7f0000000100)=0x8b, 0x4)
bind$inet6(r0, &(0x7f00000000c0)={0xa, 0x4e20, 0x0, @loopback}, 0x1c)
connect$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @empty}, 0x1c)
sendmsg$inet6(r0, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000540)=[{&(0x7f0000000040)="cf", 0x1}], 0x1}, 0x0)