r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
bind$inet6(r0, &(0x7f00000000c0)={0xa, 0x4e20, 0x0, @loopback}, 0x1c)
accept(0xffffffffffffffff, 0x0, 0x0)
connect$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @loopback}, 0x1c)
sendmsg$inet6(r0, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000540)=[{&(0x7f00000001c0)="cf", 0xfffffdef}], 0x1}, 0x10044001)
getsockopt$inet6_tcp_TCP_ZEROCOPY_RECEIVE(r0, 0x6, 0x23, &(0x7f00000000c0)={&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x0, &(0x7f0000000040)=""/59, 0x3b, 0x1, 0x0}, &(0x7f0000000100)=0x40)