r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_opts(r0, 0x29, 0x48, &(0x7f0000000040)=@routing={0x0, 0x4, 0x0, 0x0, 0x0, [@empty, @remote]}, 0x28)