r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0)
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
bind$inet6(r1, &(0x7f00000000c0)={0xa, 0x4e20, 0x0, @loopback}, 0x1c)
listen(r1, 0x0)
r2 = socket$inet6_tcp(0xa, 0x1, 0x0)
connect$inet6(r2, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @loopback}, 0x1c)
sendmsg$inet6(r2, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000540)=[{&(0x7f00000001c0)="cf", 0xfffffdef}], 0x1}, 0x10044001)
dup2(r0, r1)