r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @empty}}, 0x1c)
connect$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @empty}, 0x1c)
setsockopt$inet6_tcp_int(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0)
sendmmsg(r0, &(0x7f00000016c0)=[{{&(0x7f0000000240)=@in={0x2, 0x4e20, @loopback}, 0x80, &(0x7f00000001c0)=[{&(0x7f0000000100)="79d1ce8f93c21d", 0x7}, {0x0}], 0x2}}, {{0x0, 0x0, 0x0}}], 0x2, 0x40881)
getsockopt$inet6_tcp_TCP_ZEROCOPY_RECEIVE(r0, 0x6, 0x23, &(0x7f0000000740)={&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f0000000780)=0x40)